ActionScript 3.0 :: Looping Mp3s Without Gaps?
Apr 19, 2009
I am building an 8 track Flash audio mixer where the sounds for each track are selected by the user from a list component and then loaded into a Sound variable at runtime.This can be done while the mixer is playing or stopped, and of course, it adds a lot of flexibility for making music.All actionscript is in external .as files and sounds are looped using the SOUND_COMPLETE event.So far, all loading/playing functions work perfect, but I`m having problems with gaps at the beginning/end of my mp3 files.I was told this was an inherent problem with mp3 files, so I tried using MPTrim to clean the silence up.I also tried starting the loop a bit late - sound.play (80, 1) - but the results are usually inaccurate and unpredictable.
When I import a wav file into the library and then export it as an mp3 file embedded in the .swf file, it sitll has a short gap.When I built a previous mixer in Flash MX (actionscript 1) there was no gap and all sounds looped perfectly! Of course, in this later case, all sounds were embedded inside movie clips on the stage and scripting was done on the timeline, so maybe that made a difference.I have spent long nights trying to find a solution to this, but to no avail.I read a blog where the writer went through all the steps I have and just gave up, but I know there is a solution.I have seen this sort of thing done on Flash mixer sites before (even sites with full-on audio sequencers) so I know it can be done.
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